12 EES Key Points

What are some of the key points leading up to the HSC exams

Sunday, April 21, 2013

Volcanoes and Climate

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Laki 1783-84  The Laki eruption started in  June 1783 and lasted for 8 months.  A cloud of sulphur dioxide moved over Europe causing a hig...

Intraplate Earthquakes

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While Australia sits in the middle of a tectonic plate, this merely considers the major fault lines of the globe.  Australia has a number...

Kobe Earthquake of 1995

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In Kobe on January 17 1995, a magnitude 7.2 earthquake struck, resulting in over 6000 deaths and hundreds of billions of dollars damage.  So...

Effects of Earthquakes on Built and Natural Structures

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This will be 2 parts.  One will look at esrthquake damage in general, and then more specifically at the damage caused to built structures us...
Friday, March 29, 2013

Boxing day Tsunami

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Overview On Boxing Day 2004 a magnitude 9.0 earthquake triggered the sudden upthrust of 1000 km of convergent plate boundary as shown belo...
Saturday, March 23, 2013

Poisonous gas emissions and lahars

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Poison gas - Lake Nyos 1987     As this region of Africa has been subject to rifting the area was volcanic. Lake Nyos is a crater lake tha...
Tuesday, March 19, 2013

Pyroclastic flows and lava

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Damage from lava Heimaey 1973 In 1973 the Edfell volcano erupted behind the town of Heimay in Iceland. Initially the town...
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